Report on Machinery and Processes of the Industrial Arts and Apparatus of the Exact SciencesVan Nostrand, 1869 - 669 páginas |
Dentro del libro
Resultados 1-5 de 69
Página viii
... object - glass telescope - Divided eye - glass telescope - Telemetric double telescopes Balbreck's double telescope reflecting telemeter - Electric telemeter - Prism telemeter - Telemetric single telescopes - Theodolites - Dabbadie's ...
... object - glass telescope - Divided eye - glass telescope - Telemetric double telescopes Balbreck's double telescope reflecting telemeter - Electric telemeter - Prism telemeter - Telemetric single telescopes - Theodolites - Dabbadie's ...
Página 1
... OBJECTS BY THE AID OF STEAM - PRECISION OF MECHANICAL PROCESSES AIDED BY STEAM— EXAMPLES OF degree of REFINEMENT OF ... object pre- senting some feature of novelty which the Exposition embraced should be considered on that account to be ...
... OBJECTS BY THE AID OF STEAM - PRECISION OF MECHANICAL PROCESSES AIDED BY STEAM— EXAMPLES OF degree of REFINEMENT OF ... object pre- senting some feature of novelty which the Exposition embraced should be considered on that account to be ...
Página 2
... objects , and so wonderful the diversity of industrial operations , which a common impulse had swept together into that single spot from every quarter of the civilized world , that the visitor , in endeavoring to make his way through ...
... objects , and so wonderful the diversity of industrial operations , which a common impulse had swept together into that single spot from every quarter of the civilized world , that the visitor , in endeavoring to make his way through ...
Página 11
... object on which he is employed , are entirely too minute to be perceptible , except by the aid of powerfully magnifying helps . A remarkable illustration of the fact here stated is furnished by Mr. Whitworth in a little contrivance for ...
... object on which he is employed , are entirely too minute to be perceptible , except by the aid of powerfully magnifying helps . A remarkable illustration of the fact here stated is furnished by Mr. Whitworth in a little contrivance for ...
Página 17
... object for which the examples are produced , since , for the present purpose , it is immaterial whether a new industry is founded upon an invention or upon a discovery . Yet for the sake of precision of ideas it may not be amiss to mark ...
... object for which the examples are produced , since , for the present purpose , it is immaterial whether a new industry is founded upon an invention or upon a discovery . Yet for the sake of precision of ideas it may not be amiss to mark ...
Otras ediciones - Ver todas
Términos y frases comunes
advantage amount angle apparatus applied armature atmosphere axis Bessemer process boiler calories carried cent centimetres circumference compression construction contrivance crank cubic metres cylinder diameter direction discharge disk distance effect electric employed engine equal exhibited experiments Exposition extremity feet force furnace furnished glass half heat horizontal horse-power hundred hydraulic hydraulic head illustrated inches increased instrument introduced invention inventor iron kilograms kilometres latent heat length lever light light-houses liquid machine manufacture means mechanical ment Messrs metal metres millimetres mode motion movable types movement necessary object observed operation ordinary Paris passes piston plate position pounds practical present pressure prism produced pulley pump purpose refrigerator reservoir revolution roller rotary engine rotation screw sextant shaft side Siemens space spherometer steam steam-engine steel surface telescope temperature tion tonometer tube turbine turn valve vapor velocity vertical vessel weight wheel Wicklow Head
Pasajes populares
Página 31 - B with the sound velocity where y is the ratio of the specific heat at constant pressure to the specific heat at constant volume, and p is the gas pressure.